Fringefan: All the atomic regs are excellent breathers. Not just the T2.
But don't take my word for it:
http://www.scubadiving.com/gear/regulators/scubalab_special_report:_muscle_regs/0/
But don't take my word for it:
http://www.scubadiving.com/gear/regulators/scubalab_special_report:_muscle_regs/0/